Added list tests for 2D and 3D.
Added list tests for 2D and 3D.

kelle/astropy,mhvk/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,tbabej/astropy,AustereCuriosity/astropy,funbaker/astropy,pllim/astropy,tbabej/astropy,astropy/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,larrybradley/astropy,stargaser/astropy,StuartLittlefair/astropy,DougBurke/astropy,larrybradley/astropy,saimn/astropy,funbaker/astropy,astropy/astropy,AustereCuriosity/astropy,bsipocz/astropy,tbabej/astropy,bsipocz/astropy,mhvk/astropy,saimn/astropy,mhvk/astropy,tbabej/astropy,larrybradley/astropy,larrybradley/astropy,dhomeier/astropy,stargaser/astropy,astropy/astropy,joergdietrich/astropy,dhomeier/astropy,larrybradley/astropy,kelle/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,saimn/astropy,tbabej/astropy,aleksandr-bakanov/astropy,kelle/astropy,MSeifert04/astropy,lpsinger/astropy,kelle/astropy,dhomeier/astropy,pllim/astropy,dhomeier/astropy,lpsinger/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,dhomeier/astropy,joergdietrich/astropy,bsipocz/astropy,lpsinger/astropy,joergdietrich/astropy,DougBurke/astropy,astropy/astropy,mhvk/astropy,aleksandr-bakanov/astropy,joergdietrich/astropy,saimn/astropy,DougBurke/astropy,AustereCuriosity/astropy,MSeifert04/astropy,DougBurke/astropy,funbaker/astropy,StuartLittlefair/astropy,mhvk/astropy,bsipocz/astropy,stargaser/astropy,astropy/astropy,joergdietrich/astropy,pllim/astropy,stargaser/astropy,MSeifert04/astropy,lpsinger/astropy,kelle/astropy,saimn/astropy,funbaker/astropy,StuartLittlefair/astropy,pllim/astropy,pllim/astropy